syzbot


KASAN: use-after-free Read in get_work_pool (2)
Status: upstream: reported C repro on 2019/12/09 07:05
Reported-by: syzbot+6a7d71142d61b8c7c8d0@syzkaller.appspotmail.com
First crash: 70d, last: 9d04h

Cause bisection: the bug happens on the oldest tested release
Crash: general protection fault in release_tty (log)
Repro: C syz .config
similar bugs (2):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.14 KASAN: use-after-free Read in get_work_pool C 1 14d 74d 0/1 upstream: reported C repro on 2019/12/05 00:36
upstream KASAN: use-after-free Read in get_work_pool syz 8 821d 843d 4/16 fixed on 2018/03/23 18:14

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro
ci-upstream-kasan-gce-selinux-root 2020/02/08 05:31 upstream f7571657 1508f453 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/01/08 18:37 upstream ae608821 1508f453 .config log report syz C
Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-selinux-root 2019/12/09 03:43 upstream 9455d25f 1508f453 .config log report syz C gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org